Martian Meteorite - Composition

Composition

As of July 30, 2011, 98 of the 99 Martian meteorites are divided into three rare groups of achondritic (stony) meteorites: shergottites (83), nakhlites (13), and chassignites (2), with the oddball meteorite Allan Hills 84001 usually placed within a specific "OPX group". Consequently, Martian meteorites as a whole are sometimes referred to as the SNC group. They have isotope ratios that are said to be consistent with each other and inconsistent with the Earth. The names derive from the location of where the first meteorite of their type was discovered.

Read more about this topic:  Martian Meteorite

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Famous quotes containing the word composition:

    At painful times, when composition is impossible and reading is not enough, grammars and dictionaries are excellent for distraction.
    Elizabeth Barrett Browning (1806–1861)

    There was not a grain of poetry in the whole composition of Lord Fawn, and poetry was what her very soul craved;Mpoetry, together with houses, champagne, jewels, and admiration.
    Anthony Trollope (1815–1882)

    The naive notion that a mother naturally acquires the complex skills of childrearing simply because she has given birth now seems as absurd to me as enrolling in a nine-month class in composition and imagining that at the end of the course you are now prepared to begin writing War and Peace.
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